Study the following bar graph and answer the following question given below:
The below bar graph shows the number of toys sold by five different shops (i.e., A, B, C, D and E) in the first week and second week.
The sales for the total number of toys from all five shops in the second week decreased by what per cent from the previous week?
1
20%
2
9.5%
3
5.5%
4
15.5%